CN104561591B - Rafifinal directional solidification short route equipment for purifying and method of purification - Google Patents
Rafifinal directional solidification short route equipment for purifying and method of purification Download PDFInfo
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- CN104561591B CN104561591B CN201410701150.5A CN201410701150A CN104561591B CN 104561591 B CN104561591 B CN 104561591B CN 201410701150 A CN201410701150 A CN 201410701150A CN 104561591 B CN104561591 B CN 104561591B
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Abstract
The invention discloses a kind of rafifinal directional solidification short route equipment for purifying and method of purification, equipment for purifying includes the most independent purifying plant and heater, and purifying plant includes chiller, purifies heat-conducting layer, purification insulation crucible, agitating device, purification bell, vacuum extractor, the first heating arrangements and temperature measuring equipment；Heater includes heat insulation layer, heating heat-conducting layer, heating crucible, heating furnace cover, the second vacuum extractor, the second heating arrangements and the second temperature measuring equipment, has rotation platform, have rotating mechanism and drive mechanism below rotation platform bottom heating crucible.The present invention uses the method for purification of purification process and heating process separate operation, enables purification process accurately to control the thermograde that solid liquid interface keeps stable, keeps higher purification efficiency and purifies quality；Heating process utilizes aluminum solid waste heat after purifying, and makes the more conventional heating of the efficiency of heating surface improve more than twice.The present invention has that energy consumption is low, treating capacity is big, purification efficiency is high, product purity advantages of higher.
Description
Technical field:
The present invention relates to a kind of rafifinal directional solidification short route equipment for purifying, particularly relate to a kind of method of purification using this rafifinal directional solidification short route equipment for purifying to carry out rafifinal purification, belong to metallurgy of aluminium purification technique field.
Background technology:
Utilizing segregation method that aluminum carries out the process that purifying is industrial applications, segregation method purification technique currently mainly has fractional crystallisation method, zone melting method and directional solidification method.Directional solidification method can be divided into again cooling tube freezing method, bottom coohng method, sidewall cooling method, top to promote freezing method, lateral solidification method etc.；Directional solidification method has that energy consumption is low, equipment and technique is relatively easy and casting yield is higher advantage, it is adaptable to produces the rafifinal of 4N to 6N in enormous quantities, is the main research and development direction of rafifinal purification technique.
Through prior art retrieval is found, Chinese Patent Application No.: CN 201110224938.8 has recorded a kind of " method of directional solidification purification rafifinal and smelting furnace thereof ", the method of this directional solidification rafifinal by selecting materials with the first step, second step melting, the 3rd step solidification purifies, the 4th step obtains finished product and carries out, this smelting furnace includes furnace shell, heater, container, agitating device and chiller；Being installed with container in furnace shell, between furnace shell and container, interval is installed with the heater no less than from top to bottom；Furnace bottom below container is provided with chiller；Furnace bottom temperature measuring equipment is installed between chiller and furnace shell.This inventive method has the advantage that energy consumption is low, treating capacity is big, efficiency is high, product purity is high, can be used for producing in enormous quantities the rafifinal of 5N to 6N.But this invention in use comes with some shortcomings: 1, complete in single body of heater due to all operations, it heats, cooling effectiveness ratio is relatively low, and the production cycle extends, and causes production capacity relatively low；2, piled up by bottom up due to the growth pattern of purifying crystal body, be unfavorable for the impurity element gathering at end, cause its purification efficiency the highest；3, after purifying, crystallization ingot is in order to meet the requirement of purity, need to remove the 15%～70% of thickness from afterbody, cause yield rate the highest.
Summary of the invention:
The technical problem to be solved is: the deficiency existed for prior art, a kind of rafifinal directional solidification short route equipment for purifying and method of purification are provided, have that flow process is short, energy consumption is low, purification efficiency and the high advantage of production efficiency, can be used for industrialization and produce the rafifinal of 4N to 6N.
The present invention solves that technical problem is adopted the technical scheme that:
A kind of rafifinal directional solidification short route equipment for purifying, including purifying plant and heater, described purifying plant and heater are each independent, it is co-located on inside a big melting furnace shell, described purifying plant includes chiller the most successively, purify heat-conducting layer, purify insulation crucible and agitating device, it is arranged above purifying bell at the described insulation crucible that purifies, it is respectively arranged with vacuum extractor and temperature measuring equipment in described purification bell both sides, it is symmetrically arranged with the first heating arrangements in the lower section of described purification bell, described agitating device is positioned at the axle center of described purification bell and can horizontally rotate, the described bottom purifying insulation crucible and purification heat-conducting layer is provided with cooling medium outlet, the outlet of described cooling medium is connected with outer loop pond；Described heater is positioned at the side of described purifying plant, described heater includes heat insulation layer the most successively, heating heat-conducting layer and heating crucible, it is arranged above heating furnace cover at described heating crucible, it is respectively arranged with the second vacuum extractor and the second temperature measuring equipment in described heating furnace cover both sides, the second heating arrangements it is provided with below described heating furnace cover, it is provided with rotation platform bottom described heating crucible, rotating mechanism is provided below at described rotation platform, described rotating mechanism is rotated by drive mechanism, and then drive heating crucible and materials inside thereof to rotate.
The pivot link of described rotating mechanism is connected with described rotation platform by screw thread；Described purification heat-conducting layer and heating heat-conducting layer are formed by the braiding of high-termal conductivity graphite fibre, and thickness is 10～20mm；Described chiller is equidistant is surrounded on described purification heat-conducting layer surrounding.
Using rafifinal directional solidification short route equipment for purifying recited above to carry out the method for purification purified, it specifically comprises the following steps that
1. being poured into by the raw aluminum liquid melt after refine in the purification insulation crucible in purifying plant, Guan Bi purifies bell, opens agitating device stirring melt, starts in vacuum extractor makes purification insulation crucible simultaneously and forms vacuum；
2. after raw aluminum liquid melt starts solidification, give the first heating arrangements energising, and slowly improve power, melt temperature is controlled between 660 DEG C～680 DEG C by temperature measuring equipment, carry out forcing cooling to purifying heat-conducting layer by chiller, in control purification insulation crucible, the thermograde of melt solid liquid interface is between 5 DEG C～20 DEG C, crystallizes 2～4 hours；
3. after crystallization terminates, close agitating device, the first heating arrangements and chiller, open and purify bell, after purification insulation crucible removal purifying plant, pouring out and purify the low tail aluminum liquid of grade in insulation crucible, the solid now purified in insulation crucible is the Purification of Aluminum solid purified；
4. by said temperature on the rotatable platform purified in the insulation crucible immigration heater with heat insulation layer of 500 DEG C～550 DEG C, Guan Bi heating furnace cover, purifying now is incubated the heating crucible that crucible is in heater, the solidification aluminum solid that Purification of Aluminum solid is in heater；
5. start the second vacuum extractor and make to be formed in heating crucible vacuum, open the second heating arrangements to melt described solidification aluminum solid, control heating-up temperature between 750 DEG C～800 DEG C by the second temperature measuring equipment so that it is be maintained on aluminum fusing point；Opening drive mechanism, drive mechanism drives rotatable platform to rotate by rotating mechanism simultaneously, makes the solidification aluminum solid rotary motion in heater in heating crucible, the burn-off rate of accelerated solidification aluminum solid, effectively reduces the oxidational losses of fusion process；
1.～5. 6. being placed again in purifying plant together with heating crucible by the rafifinal liquid after fusing, heating crucible now is purification insulation crucible, repeats step, until obtaining the rafifinal solid meeting purity requirement.
In described purification insulation crucible, aluminum liquid holding temperature is 660 DEG C～680 DEG C, and solidification temperature is 650 DEG C～660 DEG C, and the crystalline rate of freezing interface is 4～8cm/h.
The principle of the present invention is on the basis of segregation method directional solidification purification technique, implements sidepiece and forces cooling directional solidification novel process for purifying, conservative control solid liquid interface flowing velocity, accurately adjust crystallization temperature and crystallization rate in purifying plant；Tail aluminum liquid is excreted after completing by purification with tiling arrangement, then Purification of Aluminum solid and crucible is quickly put in heater, again melts within the Purification of Aluminum solid short time of high temperature coagulation, and after fusing, aluminum liquid purifies in purifying plant again；Repetitive operation, until obtaining the rafifinal meeting purity requirement.
The present invention is in solidification purification process, have employed heated at constant temperature mechanism and chiller, at accurate control freezing interface, melt temperature is between 660 DEG C～680 DEG C, ensure that solid liquid interface has and stablize suitable 5 DEG C～20 DEG C of thermogrades, effectively reduce the thickness of impurity enriched layer at freezing interface, make the purity of solidification layer be stabilized raising.In order to obtain the aluminum solid of higher purity, after purifying for the first time, temperature is put in the heater with heat insulation layer at the aluminum solid of 500～550 DEG C together with crucible, crucible is placed on rotation platform and carries out spiral rotation, second heating arrangements is positioned at the top of crucible, raising along with heating power, heating-up temperature is maintained between 750 DEG C～800 DEG C, aluminum solid with temperature obtains rapid melting, the aluminum liquid simultaneously melted constantly is rinsed with spiral spinning motion and is brushed solidification aluminum solid, accelerates the burn-off rate of aluminum solid.
The directional solidification purification process of the present invention is to be placed on by crucible in airtight purifying plant, and vacuum extractor makes furnace inner environment keep vacuum state, thus allows whole purification process not aoxidize and to pollute.
Present invention optimizes the operation obtaining rafifinal after Purification of Aluminum is carried out in existing technique head or the tail portion impure part of excision, reach short route, low energy consumption, high efficiency production effect.
The agitating device of the present invention is mechanical agitation, and stirring paddle is positioned at purification crucible, is maintained at 30～100mm with the distance of freezing interface；May be used without electromagnetic stirring system.
First heating arrangements of the present invention and the second heating arrangements all can use electric heater, it is possible to use gas heating system.
The chiller of the present invention is equidistant is surrounded on purification heat-conducting layer surrounding, cooling medium is seamless, and uniform fold purifies heat-conducting layer sidepiece, and cooling medium is water cooling, it is possible to use gas cooling, height corresponding to melt temperature automatically controls, and the flow of cooling water is per second 0.5～10m3。
The present invention uses the production model of purification process and heating process separate operation, carry out further optimizing by both Process configuration, purification process is enable accurately to control the thermograde that solid liquid interface keeps stable, effectively reduce the concentration of impurity in the melt of solid liquid interface forward position, thus control process of setting, keep higher purification efficiency and purify quality；Heating process utilizes the waste heat of aluminum solid after purifying, and coordinates the heater of height insulation, and under the effect of rotary system, crucible does rotation movement together with aluminum solid, accelerates the fusing of aluminum solid, and the more conventional heating of the efficiency of heating surface can improve more than twice.Present invention greatly enhances production efficiency, there is the advantage that energy consumption is low, treating capacity is big, efficiency is high, product purity is high.
Accompanying drawing explanation
Fig. 1 is the use status architecture schematic diagram of rafifinal directional solidification short route equipment for purifying in the present invention.
nullIn Fig. 1，Structure represented by each label is: 1---purifying plant，2---heater，3---purifies bell，4---agitating device，5---Purification of Aluminum solid，6---purifies insulation crucible，7---purifies heat-conducting layer，8---tail aluminum liquid，9---the first heating arrangements，10---chiller，11---vacuum extractor，12---temperature measuring equipment，13---cooling medium exports，14---heat insulation layer，15---heating furnace cover，16---rotation platform，17---drive mechanism，18---rotating mechanism，19---the second heating arrangements，20---melting furnace shell，21---the second vacuum extractor，22---the second temperature measuring equipment，50---solidifies aluminum solid，60---heating crucible，70---heats heat-conducting layer.
Detailed description of the invention:
The present invention will be further explained below in conjunction with the accompanying drawings:
Embodiment 1: see Fig. 1, a kind of rafifinal directional solidification short route equipment for purifying, including purifying plant 1 and heater 2, purifying plant 1 and heater 2 are the most independent, it is co-located on a big melting furnace shell 20 internal, purifying plant 1 includes chiller 10 the most successively, purify heat-conducting layer 7, purify insulation crucible 6 and agitating device 4, purification bell 3 it is provided with directly over insulation crucible 6 purifying, it is respectively arranged with vacuum extractor 11 and temperature measuring equipment 12 purifying bell 3 both sides, it is symmetrically arranged with the first heating arrangements 9 below bell 3 purifying, agitating device 4 is positioned at the axle center purifying bell 3 and can horizontally rotate, the bottom purifying insulation crucible 6 and purification heat-conducting layer 7 is provided with cooling medium outlet 13, cooling medium outlet 13 is connected with outer loop pond；Heater 2 is positioned at purifying plant 1 side, heater 2 includes heat insulation layer 14 the most successively, heating heat-conducting layer 70 and heating crucible 60, it is arranged above heating furnace cover 15 at heating crucible 60, the second vacuum extractor 21 and the second temperature measuring equipment 22 it is respectively arranged with in heating furnace cover 15 both sides, the second heating arrangements 19 it is provided with below heating furnace cover 15, rotation platform 16 it is provided with bottom heating crucible 60, rotating mechanism 18 is provided below at rotation platform 16, rotating mechanism 18 is rotated by drive mechanism 17, and then drive heating crucible 60 and materials inside thereof to rotate.
Wherein: the pivot link of rotating mechanism 18 is connected with rotation platform 16 by screw thread；Purifying heat-conducting layer 7 and heating heat-conducting layer 70 is formed by the braiding of high-termal conductivity graphite fibre, thickness is 10～20mm；Chiller 10 is equidistant is surrounded on described purification heat-conducting layer 7 surrounding.
Embodiment 2: using the rafifinal directional solidification short route equipment for purifying described in embodiment 1 to carry out the method for purification purified, it specifically comprises the following steps that
1. being poured into by the raw aluminum liquid melt after refine in the purification insulation crucible 6 in purifying plant 1, Guan Bi purifies bell 3, opens agitating device 4 and stirs melt, and starts in vacuum extractor 11 makes purification insulation crucible 6 and form vacuum；
It is energized 2. to after raw aluminum liquid melt starts solidification the first heating arrangements 9, and slowly improve power, melt temperature is controlled between 660 DEG C～680 DEG C by temperature measuring equipment 12, carry out forcing cooling to purifying heat-conducting layer 7 by chiller 10, in control purification insulation crucible 6, the thermograde of melt solid liquid interface is between 5 DEG C～20 DEG C, crystallizes 2～4 hours；
3. after crystallization terminates, close agitating device the 4, first heating arrangements 9 and chiller 10, open and purify bell 3, after purification insulation crucible 6 is removed purifying plant 1, pouring out and purify the low tail aluminum liquid 8 of grade in insulation crucible 6, the solid now purified in insulation crucible 6 is the Purification of Aluminum solid 5 purified；
4. by said temperature 500 DEG C～550 DEG C purify insulation crucible 6 move on the rotatable platform 16 in the heater 2 with heat insulation layer 14, Guan Bi heating furnace cover 15, purifying now is incubated the heating crucible 60 that crucible 6 is in heater 2, the solidification aluminum solid 50 that Purification of Aluminum solid 5 is in heater 2；
5. start in the second vacuum extractor 21 makes heating crucible 60 and form vacuum, open the second heating arrangements (19) and melt described solidification aluminum solid (50), heating-up temperature is controlled between 750 DEG C～800 DEG C so that it is be maintained on aluminum fusing point by the second temperature measuring equipment (22)；Open drive mechanism 17 simultaneously, drive mechanism 17 drives rotatable platform 16 to rotate by rotating mechanism 18, make solidification aluminum solid 50 rotary motion in heater 2 in heating crucible 60, the burn-off rate of accelerated solidification aluminum solid 50, effectively reduce the oxidational losses of fusion process；
1.～5. 6. being placed again in purifying plant 1 together with heating crucible 60 by the rafifinal liquid after fusing, heating crucible 60 now is purification insulation crucible 6, repeats step, until obtaining the rafifinal solid meeting purity requirement.
Wherein: in purification insulation crucible 6, aluminum liquid holding temperature is 660 DEG C～680 DEG C, and solidification temperature is 650 DEG C～660 DEG C, and the crystalline rate of freezing interface is 4～8cm/h.
Be detailed embodiment and the specific operation process of method of purification of the present invention below, but protection scope of the present invention be not limited to following two embodiments (two embodiments below all have employed 2.5 tons of capacity purification insulation crucible):
Embodiment 3: refine raw aluminum liquid 2000Kg selecting purity at least 99.85%, temperature to be 700 DEG C imports in the purification insulation crucible of purifying plant, and purifying plant is airtight, starts vacuum equipment so that it is vacuum reaches 10-3, to open agitating device and rotate melt, revolution is maintained at 15～50 turns/min；Starting heater, power is maintained at 10～50kw, it is ensured that melt temperature is at the uniform velocity lowered the temperature with the speed of 1 DEG C/min, makes melt temperature be maintained at 660 DEG C, and chiller is actuated for being automatically adjusted cooling, maintains sidepiece crystallization rate 5cm/h, terminated after 3 hours；Taking out and purify insulation crucible, pour out wherein after residue tail aluminum liquid, then purifications is incubated crucible puts in heater and airtight together with Purification of Aluminum solid, evacuation makes its vacuum reach 10-3, it being then turned on heater, power is maintained at 80～90kw, makes heating crucible be rotated in stove, heats 1 hour temperature and reaches 710 DEG C, and in crucible, Purification of Aluminum solid is all molten into liquid；Then the crucible that would be heated to 710 DEG C moves into purifying plant from heater, repeat above-mentioned crystallization and purification, topple over tail aluminum liquid step, obtain the aluminum solid after second time purifies, after inspection reaches purity requirement, after smelting furnace melts, be cast as the product required for user.
Embodiment 4: refine raw aluminum liquid 2000Kg selecting purity at least 99.90%, temperature to be 700 DEG C imports in the crucible of purifying plant, and purifying plant is airtight, starts vacuum equipment so that it is vacuum reaches 10-3, to open agitating device and rotate melt, revolution is maintained at 15～50 turns/min；Starting heater, power is maintained at 10～50kw, it is ensured that melt temperature is at the uniform velocity lowered the temperature with the speed of 1 DEG C/min, makes melt temperature be maintained at 660 DEG C, and chiller is actuated for being automatically adjusted cooling, maintains sidepiece crystallization rate 4cm/h, terminated after 3 hours；Taking out crucible, pour out wherein after residue tail aluminum liquid, then together with Purification of Aluminum solid, crucible is put into heater airtight, evacuation makes its vacuum reach 10-3, it being then turned on heater, power is maintained at 80～90kw, makes crucible be rotated in stove, heats 1 hour temperature and reaches 710 DEG C, and in crucible, Purification of Aluminum solid is all molten into liquid；Then this crucible being heated to 710 DEG C is moved into purifying plant from heater, repeat above-mentioned crystallization and purification, topple over tail aluminum liquid step, obtain the aluminum solid after second time purifies, after inspection reaches purity requirement, after smelting furnace melts, be cast as the product required for user.
Claims (4)
- null1. a rafifinal directional solidification short route equipment for purifying，Including purifying plant (1) and heater (2)，Described purifying plant (1) and heater (2) are each independent，It is co-located on a big melting furnace shell (20) internal，It is characterized in that: described purifying plant (1) includes chiller (10) the most successively、Purify heat-conducting layer (7)、Purify insulation crucible (6) and agitating device (4)，It is arranged above purifying bell (3) described purification insulation crucible (6)，It is respectively arranged with vacuum extractor (11) and temperature measuring equipment (12) in described purification bell (3) both sides，It is symmetrically arranged with the first heating arrangements (9) in the lower section of described purification bell (3)，Described agitating device (4) is positioned at the axle center of described purification bell (3) and can horizontally rotate，The described bottom purifying insulation crucible (6) and purification heat-conducting layer (7) is provided with cooling medium outlet (13)，Described cooling medium outlet (13) is connected with outer loop pond；nullDescribed heater (2) is positioned at the side of described purifying plant (1)，Described heater (2) includes heat insulation layer (14) the most successively、Heating heat-conducting layer (70) and heating crucible (60)，It is arranged above heating furnace cover (15) at described heating crucible (60)，The second vacuum extractor (21) and the second temperature measuring equipment (22) it is respectively arranged with in described heating furnace cover (15) both sides，Described heating furnace cover (15) lower section is provided with the second heating arrangements (19)，Described heating crucible (60) bottom is provided with rotation platform (16)，Rotating mechanism (18) is provided below at described rotation platform (16)，Described rotating mechanism (18) is rotated by drive mechanism (17)，And then drive heating crucible (60) and materials inside thereof to rotate.
- Rafifinal directional solidification short route equipment for purifying the most according to claim 1, it is characterised in that: the pivot link of described rotating mechanism (18) is connected with described rotation platform (16) by screw thread；Described purification heat-conducting layer (7) and heating heat-conducting layer (70) are formed by the braiding of high-termal conductivity graphite fibre, and thickness is 10～20mm；Described chiller (10) is equidistant is surrounded on described purification heat-conducting layer (7) surrounding.
- 3. using the rafifinal directional solidification short route equipment for purifying described in claim 1 or 2 to carry out the method for purification purified, it specifically comprises the following steps that1. the raw aluminum liquid melt after refine is poured in purification insulation crucible (6) in purifying plant (1), Guan Bi purifies bell (3), open agitating device (4) stirring melt, start in vacuum extractor (11) makes purification insulation crucible (6) simultaneously and form vacuum；It is energized 2. to after raw aluminum liquid melt starts solidification the first heating arrangements (9), and slowly improve power, melt temperature is controlled between 660 DEG C～680 DEG C by temperature measuring equipment (12), carry out forcing cooling to purifying heat-conducting layer (7) by chiller (10), the thermograde of control purification insulation crucible (6) interior melt solid liquid interface, between 5 DEG C～20 DEG C, crystallizes 2～4 hours；3. after crystallization terminates, close agitating device (4), the first heating arrangements (9) and chiller (10), open and purify bell (3), after purification insulation crucible (6) removal purifying plant (1), pouring out and purify tail aluminum liquid (8) that insulation crucible (6) interior grade is low, the solid now purified in insulation crucible (6) is the Purification of Aluminum solid (5) purified；4. said temperature is incubated on the rotatable platform (16) that crucible (6) moves in the heater (2) with heat insulation layer (14) the purification of 500 DEG C～550 DEG C, Guan Bi heating furnace cover (15), the heating crucible (60) that purification insulation crucible (6) now is in heater (2), Purification of Aluminum solid (5) is solidification aluminum solid (50) in heater (2)；5. start in the second vacuum extractor (21) makes heating crucible (60) and form vacuum, open the second heating arrangements (19) and melt described solidification aluminum solid (50), heating-up temperature is controlled between 750 DEG C～800 DEG C so that it is be maintained on aluminum fusing point by the second temperature measuring equipment (22)；Open drive mechanism (17) simultaneously, drive mechanism (17) drives rotatable platform (16) to rotate by rotating mechanism (18), make solidification aluminum solid (50) rotary motion in heater (2) in heating crucible (60), the burn-off rate of accelerated solidification aluminum solid (50), effectively reduces the oxidational losses of fusion process；1.～5. 6. being placed again in purifying plant (1) together with heating crucible (60) by the high-purity fine aluminium liquid after fusing, heating crucible (60) now is purification insulation crucible (6), repeats step, until obtaining the rafifinal solid meeting purity requirement.
- Method of purification the most according to claim 3, it is characterised in that: described insulation crucible (6) the interior aluminum liquid holding temperature that purifies is 660 DEG C～680 DEG C, and solidification temperature is 650 DEG C～660 DEG C, and the crystalline rate of freezing interface is 4～8cm/h.
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| CN106152789A (en) * | 2016-08-08 | 2016-11-23 | 无锡蠡湖增压技术股份有限公司 | A kind of aluminum liquid stove vacuum heat-preserving set |
| CN106868316A (en) * | 2017-02-10 | 2017-06-20 | 上海交通大学 | A kind of polynary impurity element synchronous purification method and device of secondary aluminium |
| CN111378850A (en) * | 2020-05-08 | 2020-07-07 | 河南中孚实业股份有限公司 | Method for purifying high-purity aluminum by segregation |
| CN113699383B (en) * | 2021-09-09 | 2022-12-20 | 中国兵器工业第五九研究所 | Method for purifying aluminum alloy melt based on thermal buoyancy |
| CN115572840B (en) * | 2022-09-29 | 2024-01-16 | 吉利百矿集团有限公司 | Method for purifying electrolytic aluminum liquid by segregation method |
| CN116179870B (en) * | 2023-02-15 | 2023-11-03 | 宁波锦越新材料有限公司 | Fractional crystallization high-purity aluminum purification device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102864314A (en) * | 2012-10-21 | 2013-01-09 | 昆明冶金研究院 | Method and device for purifying refined aluminum and high-purity aluminum through continuous segregation |
| CN204224679U (en) * | 2014-11-28 | 2015-03-25 | 河南中孚实业股份有限公司 | Rafifinal directional freeze short route equipment for purifying |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102864314A (en) * | 2012-10-21 | 2013-01-09 | 昆明冶金研究院 | Method and device for purifying refined aluminum and high-purity aluminum through continuous segregation |
| CN204224679U (en) * | 2014-11-28 | 2015-03-25 | 河南中孚实业股份有限公司 | Rafifinal directional freeze short route equipment for purifying |
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